Home / 43,987.37-65,980.12-10,707.62

Finding the Fourth Proportional to 43,987.37, 65,980.12 and 10,707.62

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Solution

The fourth proportional to 43,987.37, 65,980.12 and 10,707.62 is: 16,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987.37 : 65,980.12 = 10,707.62 : x
  2. Step 2: Convert to fraction form
    43,987.37/65,980.12 = 10,707.62/x
  3. Step 3: Cross multiply
    43,987.37x = 65,980.12 × 10,707.62
  4. Step 4: Simplify right side
    43,987.37x = 706,490,052.51
  5. Step 5: Solve for x
    x = 706,490,052.51/43,987.37
  6. Step 6: Final answer
    x = 16,061.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.